Steel joint hoisting mechanism

Abstract

A steel joint hoisting mechanism comprises a translation device installed on a supporting frame and a hoisting device installed on the translation device, the translation device comprises a guide rail installed on the top of the supporting frame, a moving beam, a translation jack, an oil pipe and a numerical control oil pump, and the hoisting device comprises a hoisting point used for hoisting joints, a sling and a lifting jack. The rotating device comprises a driven rotating component which is arranged on the lifting point and can enable the node to rotate, and a driving rotating component which is arranged on the upright post; and the driving rotating component is connected with the driven rotating component through a chain. The bearing capacity of the mechanism meets the hoisting requirement, the shaking of the steel noose is reduced, the hoisting safety is ensured, the mounting precision is high, and the manpower is saved.

Description

Technical Field

[0001] The invention relates to a construction facility which can be used for lifting a large steel node, in particular to a steel node hoisting mechanism, and belongs to the technical field of civil engineering and mechanical assembly. Technical Background

[0002] With the progress of the construction industry, large-scale super-high-rise buildings are being used more and more widely. Steel structure buildings account for an increasing proportion of super-high-rise buildings due to their advantages such as short construction time, high strength and good toughness. There are many hoisting constructions of large steel nodes in steel structure buildings. However, there are still the following problems with the super-high-rise hoisting of large steel nodes weighing dozens of tons: 1. Large steel nodes are located at the edge of the building. If a tower crane is used for node hoisting, its bearing capacity cannot hoist large steel nodes; 2. During the hoisting process, the steel cable is prone to shaking, causing the node to fall, and there is a risk of colliding with the steel structure building; 3. After the node is hoisted to the top of the steel structure building, it is often necessary to manually adjust the relative position between the node and the steel structure building because it is in a suspended state, which makes the node hoisting more cumbersome and the hoisting efficiency is relatively low. Summary of the invention

[0003] The present invention aims to improve the problems of existing super-high-rise buildings, such as swaying of steel cables, cumbersome adjustment of the positions of steel nodes, and collision with existing buildings, which occur during the process of hoisting large steel nodes.

[0004] The purpose of the present invention can be achieved through the following technical solutions.

[0005] A steel node lifting mechanism is characterized by comprising a support frame, a translation device, a lifting device, and a rotating device, wherein the translation device is installed on the support frame, and the lifting device is installed on the translation device. The support frame is fixedly installed on the hoisting platform. The support frame is in the shape of a U, including a bottom and a top. The left and right sides of the bottom are two Y-shaped columns arranged in parallel and with a certain interval. The top is an integrally formed frame. The frame includes the main beams on the left and right sides and the horizontal beams on the front and rear sides. The main beam is located on the top of the Y-shaped column and is fixedly connected to the column. The translation device includes a guide rail, a moving beam, a translation jack, an oil pipe, and a numerically controlled oil pump. A guide rail is fixedly installed on the top of each main beam along the length direction of the main beam, a translation jack is fixedly installed on the front end of the guide rail, and the translation jack, the oil pipe, and the numerically controlled oil pump are connected in sequence. A moving beam is placed on the rear end of the guide rail, and the left and right ends of the moving beam are fixedly connected to the translation cables of the two translation jacks on the left and right guide rails respectively. The lifting device includes a lifting point for lifting the node, a lifting rope, a lifting jack, and a second guide frame. The lifting rope is composed of three parallel steel ropes. A through hole is provided on the moving beam, and a lifting jack is fixedly installed above the through hole. The second guide frame is an H-shaped structure and is fixedly installed on the moving beam. A limit plate is installed in the middle of the second guide frame, and three parallel through holes for passing the steel rope are provided on the limit plate. The lower part of the second guide frame is the lifting jack, and the top is a guide frame for guiding the steel rope. The lower end of the lifting rope is provided with a lifting point for lifting the node, and the upper end of the lifting rope passes through the through hole on the moving beam, the lifting jack, the limit plate, and the second guide frame in sequence. The rotating device includes a motor mounting part, a motor, a first sprocket, a chain, a second sprocket, and a hanging point. The hanging point includes a hanging point cover for hanging the node, a plane bearing, and an anchor. The motor mounting part is located between two columns and is fixedly connected to the two columns respectively. The vertical motor is installed on the motor mounting part. The first sprocket is horizontally installed on the motor shaft. The sling fixedly connected to the anchor is sequentially provided with a plane bearing and a hanging point cover from bottom to top. The anchor is fixedly connected to the lower shell of the plane bearing, and the hanging point cover is fixedly connected to the upper shell of the plane bearing. The hanging point cover is in a U-shape and is cylindrical. The outside of the hanging point cover is provided with a second sprocket that can drive the hanging point cover to rotate. The first sprocket and the second sprocket are connected by a chain, and the hanging point cover is connected to the node.

[0006] Preferably: it also includes a flat sleeve, which is composed of three vertical tubes parallel to each other, the vertical tubes are fixedly connected by steel plates, the steel rope is located in the vertical tube, and the bottom of the sleeve is fixedly connected to the anchor.

[0007] Preferably: it also includes a ranging device, which includes a supporting device, a wireless laser radar, and a reflective sheet. The supporting device is installed at the same position in the length direction of each main beam, the wireless laser radar is installed on the supporting device, and the reflective sheet is installed on the front side of both ends of the horizontal beam, and the positions of the wireless laser radar and the reflective sheet correspond.

[0008] Preferably: a computer is also included, and the wireless laser radar is connected to the computer signal.

[0009] Preferably: it also includes a first horizontal limiter and a second horizontal limiter. The first horizontal limiter for preventing the moving beam from shifting to the left is installed on the top surface of the left main beam along the length direction. The second horizontal limiter for preventing the moving beam from shifting to the right is installed on the top surface of the right main beam along the length direction.

[0010] Beneficial effects: Compared with the prior art, the present invention has the following advantages: 1. The support frame is installed on the lifting platform, and a lifting system composed of a jack and a steel strand is used to ensure that the bearing capacity of the equipment meets the lifting requirements; 2. Computers and wireless laser radars are used to control the entire lifting process, realizing automatic construction and automatic deviation correction, high installation accuracy, saving manpower, and reducing the shaking of steel strands; 3. The rotating device is used to rotate the large steel nodes, adjust the position of the large steel nodes, prevent them from colliding with the edge beams, and ensure the safety of lifting; 4. The comprehensive construction of multiple-step projects can be realized, saving construction time. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the main view of the support frame.

[0012] Figure 2 It is a schematic diagram of the main view of the lifting device.

[0013] Figure 3 A side view schematic diagram of the lifting device.

[0014] Figure 4 This is a schematic diagram of the main view of the lifting point of the lifting device.

[0015] Figure 5 Schematic diagram of top view of the limiting plate.

[0016] Figure 6 This is a cross-sectional diagram of the hanging point.

[0017] Figure 7 It is a schematic diagram of the front view of the rotating device.

[0018] Figure 8 It is a top view schematic diagram of the rotating device.

[0019] Fig. 9 Schematic diagram of the casing rising and being inserted into the moving beam.

[0020] Fig.10 It is a top view schematic diagram of the translation device.

[0021] Fig.11 This is a top-down schematic diagram of the installation of a wireless laser radar in a ranging device.

[0022] Fig.12 This is a top view schematic diagram of the installation of the reflector in the distance measuring device.

[0023] The reference numerals are as follows: 1. main beam; 2. horizontal beam; 3. guy rope; 4. calf; 5. column; 6. column foot; 7. anchor bolt; 8. first guide frame; 9. sling; 10. lifting point; 11. lifting jack; 12. moving beam; 13. second guide frame; 14. horizontal limit; 15. sprocket limit; 16. laser; 17. wireless laser radar; 18. diagonal brace; 19. translation jack; 20. limit plate; 21 , casing; 22, first sprocket; 23, lifting point cover; 24, upper shell; 25, plane bearing; 26, lower shell; 27, welding point; 28, node upper flange; 29, anchor; 30, chain; 31, node position after rotation; 32, node position before rotation; 33, steel beam; 34, bolt; 35, first sprocket; 36, second sprocket; 37, computer; 38, CNC oil pump; 39, oil pipe; 40, stiffening rib; 41, supporting vertical plate; 42, supporting stiffening rib; 43, supporting top plate; 44, anchor point; 45, reflector; 46, translation cable. DETAILED DESCRIPTION

[0024] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0025] A steel node hoisting mechanism comprises a support frame, a translation device, a distance measuring device, a lifting device and a rotating device. The translation device is installed on the support frame, and the lifting device is installed on the translation device.

[0026] The support frame is fixedly installed on the hoisting platform. The support frame is in the shape of a U, including a support frame bottom and a support frame top. The left and right sides of the bottom of the support frame are two Y-shaped columns 5 arranged in parallel and with a certain interval. The columns 5 can be steel columns. The columns 5 include column legs located at the bottom and diagonal braces 18 located at both sides of the upper part. The bottom of the diagonal brace 18 is fixedly connected to the top of the column leg. A connecting rod for reinforcing the diagonal brace 18 is also arranged between the diagonal braces 18. The column foot 6 at the bottom of the column leg is fixedly installed on the hoisting platform through an anchor bolt 7. The top of the support frame is an integrally formed frame, which includes a main beam 1 on the left and right sides and horizontal beams 2 on the front and rear sides. The main beam 1 is located at the top of the Y-shaped column 5 and is fixedly connected to the column 5. Wind ropes 3 are arranged at both ends of the support frame. The main beams 1 on the left and right sides of the frame are respectively connected to a wind rope 3, so as to play a role of stable support when hoisting nodes.

[0027] The translation device includes a guide rail, a moving beam 12, a translation jack 19, an oil pipe 39, and a numerically controlled oil pump 38. A guide rail is fixedly installed on the top of each main beam 1 along the length direction of the main beam, and a translation jack 19 is fixedly installed on the front end of the guide rail. The translation jack 19, the oil pipe 39, and the numerically controlled oil pump 38 are connected in sequence. The moving beam 12 is placed on the rear end of the guide rail. The left and right ends of the moving beam 12 are fixedly connected to the translation cables 46 of the two translation jacks 19 located on the left and right guide rails, respectively. The translation cables 46 of the translation jacks 19 pass through the horizontal beam 12 and are fixedly connected to the horizontal beam 12 through the anchor point 44. The moving beam 12 is driven to move forward and backward on the guide rail by the forward and backward movement of the translation cables 46 of the two translation jacks 19. A first horizontal limiter is installed on the top surface of the left main beam along the length direction to prevent the moving beam 12 from shifting to the left, and a second horizontal limiter is installed on the top surface of the right main beam along the length direction to prevent the moving beam 12 from shifting to the right.

[0028] A distance measuring device is installed at the same position in the horizontal direction of each main beam 1. The distance measuring device includes a support device, a wireless laser radar 17, and a reflective sheet 43. The reflective sheet 43 is installed on the front side of both ends of the horizontal beam 12. The support device includes a support vertical plate 41, a support top plate 43, and a support stiffening rib 42. A support device is fixedly installed at the same position in the length direction of each main beam 1. The wireless laser radar 17 used to measure the distance between the wireless laser radar 17 and the reflective sheet 13 is installed on the support device. The positions of the wireless laser radar 17 and the reflective sheet 13 correspond. The distance between the wireless laser radar 17 on the left main beam 1 and the reflective sheet 13 at the left end of the horizontal beam 12 is equal to the distance between the wireless laser radar 17 on the right main beam 1 and the reflective sheet 13 at the right end of the horizontal beam 12. The wireless laser radar 17 is connected to the computer 37 by signal, and the wireless laser radar 17 sends the detected distance data between the wireless laser radar 17 and the reflective sheet 13 to the computer 37.

[0029] The lifting device includes a lifting point 10 for lifting a node, a lifting rope 9, a lifting jack 11, a second guide frame 13, a first guide frame 8, and a limit plate 20. The first guide frame 8 is fixedly mounted on the horizontal beam 2 on the front side of the frame, and the second guide frame 13 is an H-shaped structure and is fixedly mounted on the moving beam 12. In this embodiment, the lifting rope 9 is composed of three parallel steel ropes, and the first guide frame 8 and the second guide frame 13 can separate the three steel ropes to prevent the steel ropes from being entangled during the movement process. A through hole is provided on the moving beam 12, and a lifting jack 11 is fixedly installed above the through hole. A limiting plate 20 is installed in the middle of the second guide frame 13, and three parallel through holes for passing the steel winch are provided on the limiting plate 20. The lower part of the second guide frame 13 is the lifting jack 11, and the top is a guide frame for guiding the steel winch. The lower end of the sling 9 is provided with a lifting point 10 for lifting the node, and the upper end of the sling 9 passes through the through hole on the moving beam 12, the jack 9, the limiting plate 20, the second guide frame 13, and the first guide frame 8 in sequence.

[0030] The rotating device includes a passive rotating component installed on the suspension point 10 to rotate the node and an active rotating component installed on the column, and the active rotating component is connected to the passive rotating component by a chain 30. The active rotating component includes a motor mounting part for mounting a vertical motor, a motor, and a first sprocket 35. The motor mounting part includes a calf 4, a steel beam 33, and a bolt 34 installed on the column 1. A horizontal calf 1 is installed at the same height on the inner side of each column 1, and the two ends of the steel beam 33 are fixedly connected to the calf 4 of the two columns 1. The vertical motor is installed on the steel beam 33, and the first sprocket 35 is horizontally installed on the motor shaft. The passive rotating component includes a second sprocket 36, a suspension point cover 23, a plane bearing, and an anchor 29. The steel strand is fixedly connected to the plane anchor 29. The anchor 29 is located below the lower shell 26 of the plane bearing and is fixedly connected to the lower shell 26. The suspension point cover 23 is located above the upper shell 24 of the plane bearing and is fixedly connected to the upper shell 24. The suspension point cover 23 is in a shape of a U and is cylindrical, with a through hole in the middle for passing the sling 9. The suspension point cover 23 is externally mounted with a second sprocket 36 that can drive the suspension point cover to rotate, and the suspension point cover 23 is connected to the node. Sprocket limiters 15 for preventing the second sprocket 36 from moving up and down are provided on the suspension point covers 23 on both sides of the second sprocket 36.

[0031] A flat sleeve 21 is also provided in the hoisting mechanism. The sleeve 21 is composed of three mutually parallel vertical tubes. The vertical tubes are fixedly connected by steel plates. The sleeve 21 is sleeved outside the steel rope. In this embodiment, a vertical tube is sleeved outside each steel rope, so that the three steel ropes are always in a state of being parallel to each other, and the three steel ropes are prevented from being entangled with each other. At the same time, the shaking of the steel strand can also be reduced. The bottom of the sleeve 21 is fixedly connected to the anchor 29, which further prevents the torsion of the sling 9.

[0032] During lifting, a large steel node is transported to the node position 32 before the swivel by a car on the ground, the node is fixedly connected to the lifting point cover 23, the steel strand is lifted by the lifting jack 11, and the steel strand is guided to the designated position on the floor through the second guide frame 13 and the first guide frame 8, and then coiled up to save construction space. The through holes on the limit plate 20 in the second guide frame 13 ensure that the steel strands are separated one by one and will not be entangled during the lifting process. Since the steel strand needs to pass through the holes on the limit plate 20 and then be placed on the second guide frame 13, it can be ensured that the steel strand is always kept vertically above the lifting jack 11 during the lifting process. As the lifting point 10 rises, when the first sprocket 22 is flush with the second sprocket 36, the lifting jack 11 stops lifting the steel strand, and the operator sets the chain 30 on the first sprocket 22 and the second sprocket 36, starts the motor, rotates the first sprocket 22, and drives the second sprocket 36 through the chain 30, drives the lifting point cover 23 to rotate, and further drives the node to rotate. After the node rotates to the swivel, the node position 31. The operator disengages the chain 30 from the first sprocket 22 and the second sprocket 36, so that the lifting jack 11 continues to lift the steel strand. After the node is driven to the specified height, the lifting jack 11 stops lifting the steel strand. Then the translation jack 19 is used to drive the horizontal beam 12 to move through the translation cable 4646, thereby driving the node to move horizontally. The computer 37 receives the data of the movement of the two ends of the moving beam 12 sent by the two wireless laser radars 17. If the distances of the two ends of the moving beam 12 moving forward are consistent, the computer 37 will not make adjustments. If the distances of the two ends of the moving beam 12 moving forward are inconsistent and the difference in the distances at both ends exceeds the specified difference, the computer 37 controls the numerical control oil pump 36 to make the moving distances on both sides consistent, thereby avoiding the twisting of the steel strand. When the node reaches the specified position, the computer 37 controls the translation jack 19 to stop moving. After reaching the specified position, the subsequent installation work of the node can be carried out.

Claims

1. A steel node lifting mechanism characterized by: It includes a support frame, a translation device, a lifting device, and a rotating device. The translation device is installed on the support frame, and the lifting device is installed on the translation device. The support frame is fixedly installed on the hoisting platform. The support frame is in the shape of a U, including a bottom and a top. The left and right sides of the bottom are two Y-shaped columns arranged in parallel and with a certain interval. The top is an integrally formed frame. The frame includes the main beams on the left and right sides and the horizontal beams on the front and rear sides. The main beam is located on the top of the Y-shaped column and is fixedly connected to the column. The translation device includes a guide rail, a moving beam, a translation jack, an oil pipe, and a numerically controlled oil pump. A guide rail is fixedly installed on the top of each main beam along the length direction of the main beam, a translation jack is fixedly installed on the front end of the guide rail, and the translation jack, the oil pipe, and the numerically controlled oil pump are connected in sequence. A moving beam is placed on the rear end of the guide rail, and the left and right ends of the moving beam are fixedly connected to the translation cables of the two translation jacks on the left and right guide rails respectively. The lifting device includes a lifting point for lifting the node, a lifting rope, a lifting jack, and a second guide frame. The lifting rope is composed of three parallel steel ropes. A through hole is provided on the moving beam, and a lifting jack is fixedly installed above the through hole. The second guide frame is an H-shaped structure and is fixedly installed on the moving beam. A limit plate is installed in the middle of the second guide frame, and three parallel through holes for passing the steel rope are provided on the limit plate. The lower part of the second guide frame is the lifting jack, and the top is a guide frame for guiding the steel rope. The lower end of the lifting rope is provided with a lifting point for lifting the node, and the upper end of the lifting rope passes through the through hole on the moving beam, the lifting jack, the limit plate, and the second guide frame in sequence. The rotating device includes a motor mounting part, a motor, a first sprocket, a chain, a second sprocket, and a hanging point. The hanging point includes a hanging point cover for hanging the node, a plane bearing, and an anchor. The motor mounting part is located between two columns and is fixedly connected to the two columns respectively. The vertical motor is installed on the motor mounting part. The first sprocket is horizontally installed on the motor shaft. The sling fixedly connected to the anchor is sequentially provided with a plane bearing and a hanging point cover from bottom to top. The anchor is fixedly connected to the lower shell of the plane bearing, and the hanging point cover is fixedly connected to the upper shell of the plane bearing. The hanging point cover is in a U-shape and is cylindrical. The outside of the hanging point cover is provided with a second sprocket that can drive the hanging point cover to rotate. The first sprocket and the second sprocket are connected by a chain, and the hanging point cover is connected to the node.

2. The lifting mechanism according to claim 1, characterized in that : It also includes a flat casing, which consists of three vertical tubes parallel to each other. The vertical tubes are fixedly connected by steel plates. The steel rope is located in the vertical tubes, and the bottom of the casing is fixedly connected to the anchor.

3. The hoisting mechanism according to claim 1, characterized in that : It also includes a ranging device, which includes a supporting device, a wireless laser radar, and a reflective sheet. The supporting device is installed at the same position in the length direction of each main beam, the wireless laser radar is installed on the supporting device, and the reflective sheet is installed on the front side of both ends of the horizontal beam, and the positions of the wireless laser radar and the reflective sheet correspond.

4. The hoisting mechanism according to claim 3, characterized in that : Also includes a computer, and the wireless laser radar is connected to the computer signal.

5. The hoisting mechanism according to claim 1, characterized in that : It also includes a first horizontal limit and a second horizontal limit. The first horizontal limit for preventing the moving beam from shifting to the left is installed on the top surface of the left main beam in the length direction, and the second horizontal limit for preventing the moving beam from shifting to the right is installed on the top surface of the right main beam in the length direction.

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